<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <style>
        div{
            width: 3px;
            height: 200px;
            background-color: #000;
            margin:100px auto;
            transform-origin:center bottom;
            animation:rot 60s steps(60) infinite;
        }

        @keyframes rot {
            0%{
                transform:rotate(0deg);
            }

            100%{
                transform:rotate(360deg);
            }
        }
    </style>
</head>
<body>
    <div></div>
</body>
</html>